Ampereship

What Ampereship does

Ampereship GmbH is a German shipbuilder founded in 2010 as a spin-off of Ostseestaal GmbH & Co. KG and headquartered at the Frankenhafen production facility in Stralsund. The company designs and manufactures fully electric, emissions-free vessels for European inland waterways, with a portfolio spanning the ASP passenger-ferry series (ASP-20 through ASP-300), the ASF electric car-ferry series (ASF-25, ASF-50, ASF-150), a custom 'Wunschschiff' line, and retrofit/electrification services for existing diesel fleets. Its technology stack is proprietary and modular: 360° azimuth thrusters and shaft drives up to 90 kW, Lloyd's-certified lithium-polymer battery blocks of 10.5 kWh, an in-house battery management system, flush-mounted marine solar, and an AI-based Smart Cruise Control for real-time energy optimization.

The business operates on a direct, project-based enterprise sales model: turnkey contracts covering concept, design, construction, certification, and commissioning are sold to state-owned and municipal ferry operators, port authorities, and tourism companies, with pricing tailored to each route and vessel specification and contracts typically spanning multiple years. Customers include Navigazione Lago d'Iseo (Italy), Zürichsee-Schifffahrtsgesellschaft (Switzerland), Bodensee-Schiffsbetriebe (Germany), Stadtverkehr Lübeck, the Mosel Sankta Maria II operator (Luxembourg), Hafenprojektgesellschaft Helgoland, and Autostadt Wolfsburg. Geographic reach now spans Germany, Italy, Switzerland, Luxembourg, and Austria, with the 2025 Dünenfähre marking Ampereship's first self-developed seagoing vessel. Ampereship is a member of the Dutch Central Industry Group (CIG) and operates under the financial and manufacturing umbrella of parent Ostseestaal; managing directors are Dr. Thomas Kühmstedt (also Technical Director of Ostseestaal) and Hilbert Doldersum.

Name

Ampereship

Legal name

Ampereship GmbH

Website

https://ampereship.com

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

1–10 employees

Short description

Ampereship GmbH, a Stralsund-based German shipbuilder, designs and manufactures fully electric, emissions-free passenger and car ferries for European inland waterways, selling turnkey custom vessels and retrofit services to municipal and state-owned transport operators across Germany, Italy, Switzerland, Luxembourg, and Austria.

Ownership category

akta.pro rank

Product category

Electric Marine Vessels / Shipbuilding

NAICS

Ship Building and Repairing (336611), Ship and Boat Building (3366)

SIC

Ship & Boat Building & Repairing (3730), Engines & Turbines (3510)

akta.pro primary industry

Marine Hybrid & Electric Propulsion Systems (IMAJAHAC)

akta.pro secondary industries

Passenger Ferries & Water Taxis (Fast Ferries, RoPax, Catamarans) (IMAJADAC), Propulsion, Power & Energy Systems Design (Diesel, Hybrid, Electric, Alternative Fuels) (IMAJAGAE)

Keywords

• Electric marine vessels
• Passenger ferries
• Car ferries
• Ship electrification
• Electric propulsion systems

Headquarters

HQ city

Stralsund

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Complete Electric Ship Sales: Turnkey solutions including design, construction, and delivery of fully electric passenger ferries and car ferries for inland waterways. Revenue from newbuild projects with full lifecycle support.
2. Propulsion System Sales: Modular electric drive systems, battery packs, and solar technology sold to shipyards and fleet operators for new builds or retrofits
3. Retrofit and Electrification Services: Conversion of existing diesel-powered vessels to electric or hybrid propulsion systems. Includes engineering, installation, certification, and commissioning
4. Fleet Modernization Consulting: Advisory services for fleet operators on transitioning to electric propulsion, including regulatory compliance (EU Stage V/Euro 5) and funding support

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

Ampereship designs, builds, and delivers fully electric, zero-emission passenger and car ferries for inland waterways, plus custom-built electric vessels. The portfolio comprises standardized ASP (passenger) and ASF (car) ferry series, complemented by modular propulsion, battery, and solar technology components sold to shipyards, and retrofit services converting existing diesel vessels to electric or hybrid propulsion.

Product overview

Ampereship is a German shipbuilding company specializing in fully electric, emissions-free vessels for inland waterways. The product portfolio includes modular electric passenger ferries (ASP series: ASP-20, ASP-60, ASP-60-M, ASP-80, ASP-300) and electric car ferries (ASF series: ASF-25, ASF-50, ASF-150), plus custom-built vessels (Wunschschiff). These are complemented by proprietary technology components including drive systems, lithium polymer battery technology, and solar technology. The company also offers electrification retrofit services to convert existing diesel vessels. Key enabling technologies include Smart Cruise Control (AI-optimized energy management) and Virtual Shipyard capabilities for modular assembly. Products are engineered as complete turnkey solutions with full customization from design through delivery and certification.

Differentiator

Problem solved

Functional benefit

Products and services

• TYP ASP-20 Electric Passenger Ferry Compact fully electric passenger ferry, 14.65m length, with 360° rudder propeller (1x60kW), bow thruster (1x20kW), lithium-polymer batteries, and 13 solar modules (18.72kWp total). Designed for daily operation without intermediate charging.
• TYP ASP-60 Electric Passenger Ferry Electric passenger ship with optimized hull form, 18.50m length, 5.22m width, 0.60m draft. Dual 360° rudder propellers (2x15kW), 52 monocrystalline solar modules (14.6kWp), BinSchUO Zone 4 certified.
• TYP ASP-60-M Electric Passenger Ferry Enhanced version of ASP-60 with improved hydrodynamics and weight optimization, 22.50m length, 3.80m width. 61 passengers, 348kWh battery capacity, 2x55kW electric motors. Operates without solar technology.
• TYP ASP-80 Electric Passenger Ferry Advanced electric ferry for professional service, 19.90m length, 6.60m width. Dual 360° rudder propellers (2x45kW), 36 solar modules (10.8kWp). Scientifically optimized hull with intelligent weight distribution.
• TYP ASP-300 Electric Passenger Ferry Large electric vessel with high maneuverability, 33.00m length, 9.00m width, 1.26m draft. Dual 360° rudder propellers (2x75kW), dual bow thrusters (2x20kW), 1,100kWh battery, 134sqm solar area (20kWp).
• TYP ASF-25 Electric Car Ferry Fully electric car ferry for vehicle transport, 28.00m length, 8.90m width, 0.83m draft. Quad 360° rudder propellers (4x20kW), 15 monocrystalline solar modules (5.4kWp). World's first fully electric inland car ferry.
• TYP ASF-50 Electric Car Ferry High-performance electric car ferry, 36.00m length, 13.50m width, 1.00m draft. Quad 360° rudder propellers (4x55kW), 95 monocrystalline solar modules (34.2kWp), BinSchUO Zone 3 certified.
• TYP ASF-150 Electric Car Ferry High-capacity electric solar car ferry, 37.00m length. Dual Voith electric drives (2x231kW), 864kWh battery, 8kWp solar. Capacity: 300 passengers, 18 cars or 12 cars plus 2 trucks (45t each). Annual CO2 savings up to 490 tons.
• TYP Wunschschiff Custom Electric Vessel Custom-built electric vessel tailored to customer specifications. Example 'Orca ten Broke': 35.30m length, 8.25m width, 199 persons capacity, 250kWh battery, up to 32kW solar. Includes seminar ship configurations.
• Drive Technology (Antriebstechnik) Modular electric propulsion systems including 360° rudder propellers, propeller gondolas, and shaft systems up to 90kW. Available as battery-electric, hybrid, or diesel-electric. Dual to quad units for maximum maneuverability. Sold to shipyards and fleet operators.
• Battery Technology (Batterietechnik) Lithium polymer battery systems with modular 10.5kWh blocks. Lloyd's certified, IP65 rated, 10-year warranty at 80% DoD. Proprietary BMS monitors individual cells. Made in Korea, assembled in Netherlands.
• Solar Technology (Solartechnik) Marine-grade photovoltaic systems with walkable, UV-resistant, slip-resistant panels. Flush-mounted in deck or roof. Shock-resistant, saltwater-resistant. Direct integration into ship electrical systems.
• Electrification Services (Retrofit) Retrofit solutions converting existing diesel vessels to electric or hybrid propulsion. Includes electric motors, scalable LFP/NMC batteries, energy management systems, converters, switchgear, and rudder systems. 98% efficiency, EU Stage V compliant.

Quantifiable outcome

• Up to 490 tonnes CO2 saved per vessel per year (ASF-150 Priwall)
• +4 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature6 records

Partnerships

Three partnerships are on record, tiered core and flagship.

• Ostseestaal GmbH & Co. KGcoreStrategic or Co-development Partner · 1 January 2010Ampereship was founded in 2010 as a spin-off from Ostseestaal GmbH & Co. KG. Ostseestaal provides shipbuilding expertise and manufacturing facilities. The two companies share resources, engineering teams, and production capabilities. Ampereship represents the electric mobility division of the Ostseestaal group.
• Central Industry Group (CIG)coreStrategic or Co-development PartnerAmpereship is a member of the Dutch Central Industry Group (CIG). CIG provides financial strength, highest manufacturing precision, short delivery times, and genuine Made-in-Germany quality. The group association enables international growth and access to larger projects.
• Hafenprojektgesellschaft Helgoland mbHflagshipStrategic or Co-development PartnerCustomer for the Dünenfähre project - a fully electric, seaworthy ferry for the route between Helgoland and Düne island. This represents Ampereship's first own-developed seagoing vessel for open sea conditions.

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Torqeedo: German maker of electric marine propulsion systems (outboards, inboards, pod drives) and integrated battery/motor systems for boats and small commercial vessels. Directly comparable to Ampereship's modular electric propulsion product line for inland waterway applications.
• EST-Floattech: Dutch supplier of lithium-ion battery systems for maritime applications, including electric ferries and workboats. Direct competitor in maritime-certified battery technology and a peer to Ampereship's modular battery blocks.
• Corvus Energy: Norwegian manufacturer of lithium-ion battery energy storage systems for maritime propulsion, including ferries, offshore vessels, and commercial ships. Directly comparable to Ampereship's marine battery systems and their role in electric ferries.
• Echandia: Swedish provider of heavy-duty maritime battery systems and fuel-cell solutions for ferries, offshore, and defense. Comparable as a Tier-1 LTO/LFP battery supplier targeting the same maritime electrification market as Ampereship.
• Visedo / Danfoss Editron: Danfoss Editron division producing electric drivetrains (motors, inverters, power electronics) for marine and off-highway applications. Highly comparable to Ampereship's modular electric propulsion systems targeting commercial vessels and ferries.

Broad incumbents

• Damen Shipyards Group: Large Dutch shipbuilding group with a series of fully electric ferries (e.g., for the Amsterdam canal and other European operators). Offers broader shipbuilding capabilities but overlaps with Ampereship in the electric ferry segment.
• ABB Marine & Ports: Global supplier of electric propulsion, automation, and energy storage for vessels from ferries to cruise ships. Competes with Ampereship in the broader marine electric propulsion market, though at a much larger scale and with broader vessel scope.
• Wärtsilä: Finnish marine technology leader offering engines, hybrid propulsion, and electric solutions for shipping and offshore. Comparable in marine propulsion and hybrid/electric systems, with greater scale and broader geographic reach.
• ZF Marine: Major supplier of marine propulsion systems (conventional and electric) including azimuth thrusters and hybrid drives. Comparable to Ampereship's modular drive systems and electric propulsion portfolio, with broader commercial marine scope.

Emerging players

• Artemis Technologies: UK-based developer of high-speed electric foiling ferries (EF-24) and integrated propulsion systems. Comparable emerging player in the next-generation electric passenger ferry category, though focused on foiling/hydrofoil performance.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@Ampereship
• Facebookfacebook.com/100076431365445
• LinkedInlinkedin.com/company/ampereship
• Instagraminstagram.com/ostseestaal

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ampereship